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photosynthesis

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79,446 次观看 • 2 年前 •via X (Twitter)

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Photosynthesis

Photosynthesis

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WHAT DOES MICHAEL JACKSON HAVE TO DO WITH PHOTOSYNTHESIS 😭

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You’re watching photosynthesis in real time as an aquatic plant produces oxygen.

You’re watching photosynthesis in real time as an aquatic plant produces oxygen.

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🍃estimating #photosynthesis in the rainforest 🌳… a six part oversimplification. Part 1: climb tree

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Troy Magney

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Tiger baba will get a black belt in Photosynthesis to get attention from his dad

Tiger baba will get a black belt in Photosynthesis to get attention from his dad

Gabbar

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Fun fact: you can see photosynthesis in real-time. This is an aquatic plant producing oxygen.

Fun fact: you can see photosynthesis in real-time. This is an aquatic plant producing oxygen.

Massimo

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Fun fact: you can see photosynthesis in real-time. This is an aquatic plant producing oxygen.

Fun fact: you can see photosynthesis in real-time. This is an aquatic plant producing oxygen.

Massimo

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You are literally seeing a plant producing oxygen in real-time. This is an aquatic planet showing photosynthesis.

You are literally seeing a plant producing oxygen in real-time. This is an aquatic planet showing photosynthesis.

ScienceInFocus

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You're literally watching a plant make oxygen in real time. This is what aquatic photosynthesis actually looks like.

You're literally watching a plant make oxygen in real time. This is what aquatic photosynthesis actually looks like.

ScienceInFocus

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The most beautiful, long lasting, cost effective, temperature reducing, flood protecting, photosynthesis producing, wildlife sheltering, oxygen providing, carbon capturing machine of them all. 🌳

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James Melville 🚜

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The leaf sheep (Costasiella kuroshimae) is a species of sea slug that can perfom photosynthesis using chloroplasts retained from algae they feed on. 📽: Catrin Pichler

The leaf sheep (Costasiella kuroshimae) is a species of sea slug that can perfom photosynthesis using chloroplasts retained from algae they feed on. 📽: Catrin Pichler

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Your car emits toxic fumes My plane emits Oxygen Your car has a combustion engine My plane runs on Photosynthesis Your car harms the environment My plane fixes the ozone layer

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Congress Kerala

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Watch as this plant’s chloroplasts shift in response to bright light (which turns on at the 20-minute mark, indicated in the upper left). These organelles are solving a packing problem: how to optimize photosynthesis without sustaining damage from dangerously intense rays.

Watch as this plant’s chloroplasts shift in response to bright light (which turns on at the 20-minute mark, indicated in the upper left). These organelles are solving a packing problem: how to optimize photosynthesis without sustaining damage from dangerously intense rays.

Quanta Magazine

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This is a plant showing the process of photosynthesis. We can see it because this is an underwater plant. That stream of bubbles is the output of this Oxygen making machine. From sun power to human power via plants. It is all so very perfect.

This is a plant showing the process of photosynthesis. We can see it because this is an underwater plant. That stream of bubbles is the output of this Oxygen making machine. From sun power to human power via plants. It is all so very perfect.

Brian Roemmele

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Do we have to rethink our approach to climate challenges? While renewable energy is useful, reducing emissions alone may not be the whole solution. But there's hope! Nature's own technologies – photosynthesis and rich soil – effectively address the legacy load of carbon in the atmosphere. #savesoil

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Conscious Planet #SaveSoil

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🚨 SCIENTISTS JUST DISCOVERED THAT BACTERIA HAVE BEEN USING A QUANTUM ENERGY TRICK FOR BILLIONS OF YEARS. In a breakthrough published in Nature Chemistry, researchers from the University of Sheffield (working with IBM and international collaborators) have shown that purple photosynthetic bacteria (Rhodobacter sphaeroides) use singlet fission (SF) as a functional mechanism to enhance light harvesting. When carotenoids absorb blue-green light (via their S₂ state), the energy rapidly undergoes heterofission: the singlet exciton splits into a pair of triplet excitons shared between a carotenoid and its neighboring bacteriochlorophyll (BChl) a molecule. These triplet pairs are long-lived and weakly coupled. They then recombine via triplet-triplet annihilation (TTA), efficiently populating the BChl a Qy singlet state which then transfers energy to the reaction center. This SF-mediated pathway contributes up to ~18% of total carotenoid-to-BChl energy transfer in some complexes and introduces a temporal “buffering” effect, staggering energy arrival at the reaction center. Why this matters: • It is the clearest demonstration yet that singlet fission plays a genuine, functional role in natural photosynthesis • The heterofission mechanism (triplets on adjacent Crt and BChl molecules) explains how bacteria achieve ultrafast SF while maintaining long-lived, harvestable triplet pairs • This pathway helps organisms make better use of blue-green light and may protect the reaction center during fluctuating light conditions The deeper implication: Nature has evolved a sophisticated way to temporarily store and then cooperatively release electronic energy using spin-protected triplet states. This biological strategy offers new inspiration for designing artificial light-harvesting and energy-conversion systems that can buffer and regulate energy flow something synthetic SF materials have struggled to achieve. We are learning that evolution solved some of the hardest problems in photophysics long before we started trying. How might understanding biological singlet fission change the way we design future solar energy or quantum-inspired technologies? Follow for more frontier photosynthesis research and natural quantum biology.

🚨 SCIENTISTS JUST DISCOVERED THAT BACTERIA HAVE BEEN USING A QUANTUM ENERGY TRICK FOR BILLIONS OF YEARS. In a breakthrough published in Nature Chemistry, researchers from the University of Sheffield (working with IBM and international collaborators) have shown that purple photosynthetic bacteria (Rhodobacter sphaeroides) use singlet fission (SF) as a functional mechanism to enhance light harvesting. When carotenoids absorb blue-green light (via their S₂ state), the energy rapidly undergoes heterofission: the singlet exciton splits into a pair of triplet excitons shared between a carotenoid and its neighboring bacteriochlorophyll (BChl) a molecule. These triplet pairs are long-lived and weakly coupled. They then recombine via triplet-triplet annihilation (TTA), efficiently populating the BChl a Qy singlet state which then transfers energy to the reaction center. This SF-mediated pathway contributes up to ~18% of total carotenoid-to-BChl energy transfer in some complexes and introduces a temporal “buffering” effect, staggering energy arrival at the reaction center. Why this matters: • It is the clearest demonstration yet that singlet fission plays a genuine, functional role in natural photosynthesis • The heterofission mechanism (triplets on adjacent Crt and BChl molecules) explains how bacteria achieve ultrafast SF while maintaining long-lived, harvestable triplet pairs • This pathway helps organisms make better use of blue-green light and may protect the reaction center during fluctuating light conditions The deeper implication: Nature has evolved a sophisticated way to temporarily store and then cooperatively release electronic energy using spin-protected triplet states. This biological strategy offers new inspiration for designing artificial light-harvesting and energy-conversion systems that can buffer and regulate energy flow something synthetic SF materials have struggled to achieve. We are learning that evolution solved some of the hardest problems in photophysics long before we started trying. How might understanding biological singlet fission change the way we design future solar energy or quantum-inspired technologies? Follow for more frontier photosynthesis research and natural quantum biology.

TheNewPhysics

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$Trees 🌳 have been the original climate tech and carbon capture machinery for 370 million years. No venture capital. No government wealth transfer to corporations. No rare-earth minerals being plundered. No 3-mile-long industrial vacuum cleaner hoovering up carbon dioxide. Just sunlight, water, photosynthesis, carbon capture, flood protection, wildlife habitat and a quiet determination to reduce temperatures. They pull carbon out of the air like it’s their day job. They shade the pavement so cities don’t bake. They drop local temperatures. They breath out oxygen for us to breathe and create a place for birds to live as a bonus. Governments have spent billions trying to invent a machine that does a fraction of what a 200-year-old oak has been casually doing since before we invented the wheel. The most powerful climate technology already exists. We just keep cutting it down. Plant more trees. Protect the ones still standing. Trees are the most natural, long lasting, multi purpose and cost effective infrastructure of them all. But sadly, government facilitated money transfers to corporations doesn’t grow on trees.$

Trees 🌳 have been the original climate tech and carbon capture machinery for 370 million years. No venture capital. No government wealth transfer to corporations. No rare-earth minerals being plundered. No 3-mile-long industrial vacuum cleaner hoovering up carbon dioxide. Just sunlight, water, photosynthesis, carbon capture, flood protection, wildlife habitat and a quiet determination to reduce temperatures. They pull carbon out of the air like it’s their day job. They shade the pavement so cities don’t bake. They drop local temperatures. They breath out oxygen for us to breathe and create a place for birds to live as a bonus. Governments have spent billions trying to invent a machine that does a fraction of what a 200-year-old oak has been casually doing since before we invented the wheel. The most powerful climate technology already exists. We just keep cutting it down. Plant more trees. Protect the ones still standing. Trees are the most natural, long lasting, multi purpose and cost effective infrastructure of them all. But sadly, government facilitated money transfers to corporations doesn’t grow on trees.

James Melville 🚜

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